Astacus fluviatilis

Skin symptoms most important. Urticaria.Skin: Nettle-rash over whole body. Itching. Crusta lactea, with enlarged lymphatic glands. Erysipelas, and liver affections with nettle-rash. Swelling of cervical glands. Jaundice.
Fever: Inward chilliness; very sensitive to air, worse uncovering; violent fever, with headache.